Airflow screen



FIG. 1 is a front right three-quarter view of an airflow screen according to the present design;

FIG. 2 is a front elevational view of the airflow screen of FIG. 1;

FIG. 3 is a rear elevational view of the airflow screen of FIG. 1;

FIG. 4 is a top elevational view of the airflow screen of FIG. 1;

FIG. 5 is a bottom elevational view of the airflow screen of FIG. 1;

FIG. 6 is a left side elevational view of the airflow screen of FIG. 1; and,

FIG. 7 is a right side elevational view of the airflow screen of FIG. 1. 

The ornamental design for an airflow screen, as shown and described. 